RESSA Smoke Seals for Doors

  • Why need smoke seals for doors?

Most deaths in fire are not actually caused by fire burns, but actually the result of smoke inhalation. The dense and thick toxic smoke make people lose consciousness very quickly, and are not able to escape from their houses. So smoke sealing performance for fire doors are same important with fire sealing performance.

  • How do different types of smoke seals work?

RESSA intumescent fire and smoke seals work by acting as a fire and smoke barrier. When fire happens or exposed in heat, the intumescent part will expand and act together with smoke design between door and frame, helping block and prevent smoke and fire spreading from the air space to the safe rooms and buildings.

Besides of the fire and smoke seals, there is another cold smoke seals for door. That is made from rubber, polypropylene or nylon. The design includes the nylon pile, rubber fins or brush that wills gap between door frame and door, prevent smoke passing from one area of a room or building to another.

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How do cold smoke seals work?

Smoke seals use PVC or TPE, rubber strip or brush that goes around a doorframe or door, to help prevent toxic smoke from passing through the gaps. It fills the gap in between the frame and the door, and plays a vital role in preventing smoke from passing from one area of a building to another. 

Most fire deaths are actually the result of smoke inhalation rather than burns, and toxic smoke may be so dense and thick, that people can lose consciousness very quickly, and are unable to escape their buildings. 

moke seals are an important part of fire safety. They help block smoke from spreading into escape routes like hallways and stairwells, giving people more time to get out safely. Modern smoke seals are strong, flexible, and easy to install, while still keeping the door’s normal use and appearance.

RRYSJJ Series Soundproof and Smoke-proof Corner Seals (Soft and Hard Composite)

The structure of the RRYSJJ series soundproof and smokeproof corner seal is a composite extrusion molding of soft glue and hard glue. The adhesive part is hard glue and the sealing part is soft glue. It can provide soundproof, smokeproof and heat insulation (hot and cold) sealing for the gaps between the door edge and the door frame.

Unique and convenient installation method
The product has strong self-adhesiveness
Minimum gap sealing size: 3mm/4mm
Excellent compression and deflection performance
Due to the low coefficient of the fin material, it can effectively reduce the closing force

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The role of RRYSJJ series acoustic and smoke corner seal installed on the door

  1. Multi-functional Integrated Sealing Protection
    Noise Reduction: High-density material absorbs mid-to-high-frequency noise (e.g., conversations, equipment operation), achieving 25-30dB* sound reduction for a quieter indoor environment.

    Smoke & Air Barrier:     Flexible sealing layer tightly adheres to door gaps, blocking fire smoke (>95% particulate filtration) and thermal air leakage, enhancing fire safety and energy efficiency.

    Thermal Buffering:     Reduces condensation caused by indoor-outdoor temperature differences, protecting door frames and extending door lifespan.

  2. Simplified Installation & Adaptability
    Self-Adhesive Design: Pre-coated backing enables peel-and-stick installation—no tools or additional adhesives required. Installable by one person within 10 minutes.

    Hybrid Rigid-Flex Structure:    Rigid Support Corner: Maintains seal shape, preventing door compression deformation.
    Flexible Sealing Lip:     Self-adjusts to 0.5-5mm irregular gaps, compatible with wood, metal, and other door frames.

    Ultra-Thin Compatibility:     Covers narrow gaps as small as 3mm, remaining discreet without affecting door aesthetics or smooth operation.

Smoke Seals

RRYSJJ Series Acoustic And Smoke Corner Seal

RRY01 Series Acoustic And Smoke Seal

RSR-03 Series Dual Cold Smoke Seals

RRY05 Series Acoustic And Smoke Seal

Types of Intumescent Fire and Smoke Seals for Doors

RESSA RSRRPB series smoke seals

RSR-03/RPB Fire and Smoke Silicone Seals for Doors

Adhesive-backed smoke rubber silicone perimeter seals with intumescent fire seals layer, used on interior and exterior fire door applications that require both smoke and fire protection.

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RESSA RYZD acoustic and smoke seals

RYZWS Intumscent Fire and Smoke Seals for Doors

Sodium silicated intumescent material with brush, sigle fin, double fins and triple fins design on surface, provide both intumescent fire and smoke preventing protection for fire doors.

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RESSA fireproof Intumescent seal RYZ smoke seals

RYZS Intumscent Fire and Smoke Seals for Doors

Graphite based intumescent material with rigid case outside, design together with brush, sigle fin, double fins and triple fins on surface, provide both fire and smoke protection for fire doors.

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Types of Cold Smoke Seals for Doors

RESSA RSR Series smoke seals

RSR Series Rubber Silicone Smoke Seals

Adhesive-backed silicone rubber cold smoke seals are installed on the perimeter of a door opening to slow and prevent the passage of smoke, fire, weather, sound and dirt.

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RESSA RSJJ

RSJJ Series Corner Smoke Seals

It’s a kind of acoustic and smoke coner seals provide the traditional seal for the door and door frame gaps of timber and steel door deges and frames.

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RESSAS RRY01 double flipper acoustic seal

RRY02 Smoke and Acoustic Seals

RRY02 smoke and acoustic seals with triple fins design provide effective acoustic and smoke perimeter sealing for use in new or retrofit door applications.

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RRY Trident acoustic seal

RRY01 Smoke and Acoustic Seals

The double flipper seal of RRY01 demonstrates good deflection recovery, good tear strength, smoke sealing and good acoustic properites.

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Get Your Custom Smoke Seals for Doors

RESSA is a trusted supplier of full range of smoke seals for interior and exterior door application, with years of experience in creating high-quality fire and smoke protection solutions. It specializes in manufacturing high-quality custom fire seals and smoke gaskets to cover various need of customers. Here are your custom selections:

Color

A wide range of customizable colors options for our smoke seals for choosing. Usually the most popular colors in fire door industry is black, white and brown of course the other colors like red grey cream and customized colors are available which is suitable for specific design of your doors.

Size

Wide range sizes of smoke seals for doors are available to meet customers’ needs, the most popular sizes in door application are 4x15mm, 4x20mm, 4x25mm … with brush, with soft single fin, double fins or triple fins. And regular lengths are usually 1050mm, 2100mm and cusomized lengths.

Material

We also offer customization of the pemium grade of intumescent fire and smoke seals and smoke seals for doors according to different test requirement, ensuring that each smoke seals we produce meet the highest standard of durability and performance for doors.

Design

Smokes seals for fire are engineered for optimal surface mounted self adhesive deisgn and rebated design, flexibe or rigid type, special shape and regular shapes for doors. You can specify particular designs or finishes or finishes, we’ll cooperate them without compromising performance.

Shape

From flat round square shapes to any special shapes of intumescent seals, we can produce in multiple shapes to fit different gun safe doors and frames, ensuring optimal fire sealing performance and enhance fire protection for gun safes and fire safes.

Logo

We provide the option of embedding your company logo and product brand marks onto the smokes seals for doors and also the package cartons, ensuring consistency in branding and professionalism for customs promotion.

Features that Make Our Smoke Seals for Doors Unique

Expansion - RESSA Smoke seals intumesent strips

Advanced Smoke Resistance Protection

Providing a critical layer of defense, these smokes seals are rated for high-temperature resistance, smoke resistance, acoustic prformance offering enhanced protection to the doors to prevent the smoke spreading.

Superior Self-Adhesive Performance

Surface mounted and equipped with industrial-grade adhesive, our smoke seals and fire seals self-adhere firmly to a variety of surfaces, ensuring a long-lasting seal that won’t degrade over time or under extreme temperatures.

Corner Seal - RESSA Smoke seals intumesent strips

Technical Support and After Sale Service

We provide comprehensive technical support through both 24hours online and email methods. Reflecting our confidence in the product’s performance and our commitment to customer satisfaction.

Multi-Functional Sealing Performance

Beyond fire door insulation, our fire gasket and smoke seals also offer excellent waterproof property, smoke prevent property, acoustic insulation and thermal properties, adding additional value to the installation.

Manufacturing Process of Smoke Seals for Doors

  • Raw Material Preparation: Gather materials including different kinds of fireproof materials, self adhesive, additives… ensure material expand to meet quality standards of fire doors requirement.
  • Mixing: Mix the raw materials according to the formula and prepare them under specific temperature and humidity conditions. This may involve blending the expanding materials with other additives to achieve the desired physical and chemical properties.
  • Extrusion or Calendering: Use an extrusion machine or pressing machine or inserting machine to shape the mixed intumescent materials, forming the initial shape of the intermittent strips.
  • Cutting and Shaping: Cut the intermission strips to the specific dimensions and shapes. Precise molding may be achieved using molds or cutting tools.
  • Quality Testing: Perform quality tests, including dimension checks, expansion performance, fire resistance, etc.for intumescent gasket.
  • Packaging and Dispatch:Package the qualified intumescent seals and prepare them for dispatch to the market.
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Intumescent strips production process

Our Certificates in Smoke Seals for Doors

RESSA Test certificate (5)
RESSA Test certificate (6)
RESSA Test certificate (1)
RESSA Test certificate (4)

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Smoke Seals for Doors FAQs

Smoke seals are specialized seals installed on doors to prevent the passage of smoke through gaps during a fire, enhancing the door’s ability to protect and contain the spread of smoke.

It includes two types, first is cold smoke seals for common doors and second is the intumescent and fire smoke seals for fire doors.

Smoke seals include cold smoke seals for doors and the intumescent fire smoke intumescent seals for fire doors.

  • The cold smoke seals are designed to block the gaps between the door and the frame or between double doors, preventing smoke from passing through and aiding in maintaining clear escape routes and compartments.
  • The intumescent fire and smoke seals are compound together the intumesent seals with cold smoke design. When fire happens or exposed in heat, the intumescent seals will start to expand and seal the space between door and frame, to prevent the fire and smoke spreading to the other rooms.

We offer a variety of standard dimensions for our paper boxes, including small, medium, and large sizes. However, we can also provide custom sizes as per the specific requirements of our customers.

In the event of a serious fire, fire doors are one of the most important components in ensuring safe exit, containing the fire and saving lives. But they can be rendered useless by not using the correct components including intumescent strip. Gaps around the four sides of a fire door leaf are essential, it is the only way the door can open and close. But these gaps create a point of weakness, where fire can take hold and destroy the door, and toxic and smoke can pass through. RESSA intumescent strip works by sealing around the edges and gaps of a fire door and door frames in the event of a fire.

They are essential for fire doors and doors in critical areas where the containment of smoke is crucial for safety and compliance with fire safety regulations.

RESSA smoke seals are designed for durability and long-term performance, but it’s important to inspect them regularly and replace them if they show signs of damage or wear.

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